[Users] Meeting Minutes

[Erik Schnetter]

On Feb 3, 2014, at 12:42 , Roland Haas <roland.haas at physics.gatech.edu> wrote:

> Present: Frank, Roland, Matt, Erik, Peter
> 
> using intel 14 compiler:
> * Frank tried and failed with a compiler abort inside of CTGamma
> * Erik tried on a machine with both gcc 4.8 and gcc 4.7 installed which
> causes the compilation to fail due to improperly chosen include files
> (see: http://software.intel.com/en-us/forums/topic/489013)
> 
> enabled-thorns option:
> * triggered by ticket #1532
> * the current method is not yet optimal
> * several options discussed:
> 1. disable thorns from inside Cactus when they detect hey cannot run,
> this needs to be done very early in the build process
> 2. use two thornlists, one generated automatically from the other.
> Simfactory or GetComponents may do this.
> 3. thorns detect at configure time that they cannot compile and turn
> themselves into No-OP thorns. This shifts errors to run time.
> 4. duplicate thorn entries in thornlist, one copy in the CHECKOUT line
> to have GetComponents check it out and a second (commented out) copy in
> the bulk so that simfactory can activate it if desired

I have implemented option 4, since it is the only one that works with our current infrastructure (Cactus and GetComponents).

-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>
http://www.perimeterinstitute.ca/personal/eschnetter/

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